diff --git a/backend/open_webui/routers/knowledge.py b/backend/open_webui/routers/knowledge.py
index a85ccd05e..aac16e851 100644
--- a/backend/open_webui/routers/knowledge.py
+++ b/backend/open_webui/routers/knowledge.py
@@ -264,7 +264,8 @@ def add_file_to_knowledge_by_id(
             detail=ERROR_MESSAGES.NOT_FOUND,
         )
 
-    if (knowledge.user_id != user.id
+    if (
+        knowledge.user_id != user.id
         and not has_access(user.id, "write", knowledge.access_control)
         and user.role != "admin"
     ):
@@ -349,7 +350,7 @@ def update_file_from_knowledge_by_id(
         knowledge.user_id != user.id
         and not has_access(user.id, "write", knowledge.access_control)
         and user.role != "admin"
-        ):
+    ):
 
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
@@ -418,7 +419,7 @@ def remove_file_from_knowledge_by_id(
         knowledge.user_id != user.id
         and not has_access(user.id, "write", knowledge.access_control)
         and user.role != "admin"
-        ):
+    ):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
             detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
@@ -441,10 +442,6 @@ def remove_file_from_knowledge_by_id(
     if VECTOR_DB_CLIENT.has_collection(collection_name=file_collection):
         VECTOR_DB_CLIENT.delete_collection(collection_name=file_collection)
 
-    # Delete physical file
-    if file.path:
-        Storage.delete_file(file.path)
-
     # Delete file from database
     Files.delete_file_by_id(form_data.file_id)
 
@@ -500,7 +497,7 @@ async def delete_knowledge_by_id(id: str, user=Depends(get_verified_user)):
         knowledge.user_id != user.id
         and not has_access(user.id, "write", knowledge.access_control)
         and user.role != "admin"
-        ):
+    ):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
             detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
@@ -563,7 +560,7 @@ async def reset_knowledge_by_id(id: str, user=Depends(get_verified_user)):
         knowledge.user_id != user.id
         and not has_access(user.id, "write", knowledge.access_control)
         and user.role != "admin"
-        ):
+    ):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
             detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
@@ -606,7 +603,7 @@ def add_files_to_knowledge_batch(
         knowledge.user_id != user.id
         and not has_access(user.id, "write", knowledge.access_control)
         and user.role != "admin"
-        ):
+    ):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
             detail=ERROR_MESSAGES.ACCESS_PROHIBITED,